Home / 345,298,889.20-517,948,333.80-329,373,641.20

Finding the Fourth Proportional to 345,298,889.20, 517,948,333.80 and 329,373,641.20

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Solution

The fourth proportional to 345,298,889.20, 517,948,333.80 and 329,373,641.20 is: 494,060,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,298,889.20 : 517,948,333.80 = 329,373,641.20 : x
  2. Step 2: Convert to fraction form
    345,298,889.20/517,948,333.80 = 329,373,641.20/x
  3. Step 3: Cross multiply
    345,298,889.20x = 517,948,333.80 × 329,373,641.20
  4. Step 4: Simplify right side
    345,298,889.20x = 170,598,528,657,179,040
  5. Step 5: Solve for x
    x = 170,598,528,657,179,040/345,298,889.20
  6. Step 6: Final answer
    x = 494,060,461.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.